Alinco DJ-G7 FM Tri-band Handheld Transceiver Memory channel - 1000 channels + 1 call channel per ham bands+50 programmed-scan pairs+100 dual-memory+100 priority+100 serch-pass Antenna impedance - 50 ohm unbalanced Frequency stability - +/- 2.5ppm Supply voltage - DC 7.4V (EBP-73 Li-Ion battery pack) / DC 4.5 - 16V (external regulated source) Current consumption - (Typical value) TX approx. 1.6A/144MHz, 1.8A/430MHz, 0.8A/1200MHz